How can i get rid of gynecomastia naturally?

Avoid manipulation: Mild cases can be treated by just not manipulating the breast at all. Even occasional manipulation can prevent the tissue from going back down to a normal size.

Age ???: If you are an 11-13 yo male who had developed gynecomastia at the start of puberty, relax & understand it occurs in ~1/3 of males, lasts for a year or so & then fades on its own.

Possibly lose weight: If someone is at their ideal body weight with large breasts then surgery is the only option. However if excess weight is involved major improvements in breast size can often be acheived by getting down to ideal weight. Liposuction which is minimally invasive is frequently the treatment of choice.